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  1. Lustre
  2. LU-945

Unverified user buffer access in lprocfs_wr_evict_client

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Details

    • Bug
    • Resolution: Fixed
    • Minor
    • None
    • Lustre 2.1.0, Lustre 2.2.0, Lustre 1.8.6
    • None
    • 3
    • 10754

    Description

      The lprocfs_wr_evict_client accessed unverified user buffer which is a big no-no.

      We should verify that the buffer is ok (atomically with copying) and also make sure the provided string length is big enough.

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. LU-2222 Restore Evict by NID Functionality on MDT

          • Major - Major loss of function.
          • Resolved
          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-985 buffer overflow resulting in stack corruption

          • Blocker - Blocks development and/or testing work, production could not run.
          • Resolved
          Trackbacks

          [Confluence: Engineering] Lustre 1.8.x known issues tracker While testing against Lustre b18 branch, we would hit known bugs which were already reported in Lustre Bugzilla https://bugzilla.lustre.org/. In order to move away from relying on Bugzilla, we would create a JIRA

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              wc-triage WC Triage
              green Oleg Drokin
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              Dates

                Created:
                Updated:
                Resolved: